Philip Seymour Hoffman withdrew a total of $1,200 from an ATM at a supermarket near his New York City apartment the night before he was found lifeless in his bathroom with a syringe still in his left arm, sources told NBC News.

Most of the sales took place at three fraternity houses; the students sold nearly $11,000 in drugs, authorities say.

"This is no way to work your way through college," Police Commissioner Raymond Kelly told the New York Daily News on Tuesday.

Arrested students were: Chris Coles, 20; Harrison David, 20; Adam Klein, 20; Jose Stephan Perez, 20; and Michael Wymbs, 22. All were expected to be arraigned Tuesday afternoon, according to the New York newspaper.

One of the off-campus suppliers plotted to kidnap a pair of rival cocaine traffickers, authorities say.

The Associated Press contributed to this report.

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